Watch case



FIG. 1 is a front, right side, bottom perspective view of a watch case showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof in an exemplary environment.

The broken lines are included for the purpose of illustrating the environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a watch case, as shown and described. 